Quadratic Equations

3. The height h (in feet) of and object is dropped from the height of s feet is given by the formula h= s - 16t^2, where t is the time the object has been falling. A 4 foot tall woman on a sidewalk looks directly over head and sees a window washer drop a bottle from the 5 story. How long does she have to get out of the way? Round ti the nearest tenth. (A story is 12 feet.) choose the answer from the following:

4. The hypotenuse of a right triangle is 2.6 units long. The longer leg is 1.4 units longer than the shorter leg. Find the length if the sides of the triangle.